There's an assumption here that if you're going to be using your Google Glasses to open a garage door, you'd presumably be wearing them while you're driving. I hope they finish driver-less cars first.<p>Other uses listed in the patent include: "For example, target device 14 could be a household appliance or device, such as a refrigerator, television, dishwasher, audio system, video system, alarm system, thermostat, garage door, etc. Alternatively, target device 14 could be an office appliance or device, such as a copy machine, fax machine, projection system, security system, etc. Other examples of target device 14 are also possible."<p><a href="http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=14&p=1&f=G&l=50&d=PG01&S1=(20130321.PD.+AND+Google.AS.)%mtsegdgt&OS=PD/20130321+AND+AN/Google&RS=(PD/20130321+AND+AN/Google" rel="nofollow">http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sec...</a>